<template>
    <div>
        <heard :title="title"></heard>
        <van-row>
            <van-col span="6">
                <van-sidebar v-model="active">
                    <van-sidebar-item v-for="item in categories" :title="item.cat_name" />

                </van-sidebar>

            </van-col>

            <van-col span="18">
                <van-pull-refresh v-model="loading" @refresh="onRefresh">
                    <div v-for="item in categories[active]?.children">
                    <h4>{{ item.cat_name }}</h4>
                    <router-link :to="{name:'list',params:{query:item.cat_name}}">
                        <van-grid :column-num="3">
                        <van-grid-item v-for="item in item.children" :icon="item.cat_icon" :text="item.cat_name" />
                    </van-grid>

                    </router-link>
                    

                </div>

                  
                </van-pull-refresh>
                
            </van-col>
        </van-row>

    </div>
</template>

<script setup>
import heard from '@/components/heard.vue';
const title = '分类'
import { ref } from 'vue';
import { showToast } from 'vant';
import { categoriesApi } from '@/api/api';
let categories = ref([])
categoriesApi().then(res => {
    console.log('分类', res)
    categories.value = res.data.message
})
const active = ref(0)
  const loading = ref(false);
    const onRefresh = () => {
      setTimeout(() => {
        showToast('刷新成功');
        loading.value = false;
        categoriesApi()
      }, 1000);
    };

</script>

<style lang="scss" scoped></style>